Re: How to use lagg and wlan together

On Tue, Aug 26, 2008 at 11:41:20AM -0400, Daniel Eischen wrote:
> I'm trying to get a lagg interface with failover to work with bfe0
> and wlan0.  The master port is bfe0, with failover to wlan0.  The
> wlan0 interface is ath0.
> 
> I can get both wlan0 and bfe0 to work independently without being
> lagg devices, but only bfe0 works when wlan0 and bfe0 are in a
> lagg interface.  In other words, when I pull the plug on bfe0, it
> does not failover to wlan0.
> 
> The system is a 1 month old -current (i386) that has been pretty
> stable and I'm using something like this in /etc/rc.conf:
> 
>   wlans_ath0=wlan0
>   ifconfig_wlan0="ssid my_ssid \
>                   wepkey 1:0xblah1 wepkey 2:0xblah2 \
>                   wepkey 3:0xblah3 wepkey 4:0xblah4 \
>                   weptxkey 1 authmode shared"
>   ifconfig_bfe0="up"
>   cloned_interfaces="lagg0"
>   ifconfig_lagg0="laggproto failover laggport bfe0 laggport wlan0"
>   ifconfig_lagg0_alias0="inet 10.0.0.7 netmask 0xffffff00"
> 
>   $ ifconfig -a
>   ath0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 2290
>           ether 00:11:f5:9d:54:f5
            ^^^^^^^^^^^^^^^^^^^^^^^
>           media: IEEE 802.11 Wireless Ethernet autoselect mode 11g
>           status: associated
>   bfe0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>           options=8<VLAN_MTU>
>           ether 00:14:22:ae:bc:98
>           media: Ethernet autoselect (100baseTX <full-duplex>)
>           status: active
>           lagg: laggdev lagg0
>   lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
>           inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4
>           inet6 ::1 prefixlen 128
>           inet 127.0.0.1 netmask 0xff000000
>   lagg0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>           ether 00:14:22:ae:bc:98
            ^^^^^^^^^^^^^^^^^^^^^^^
>           inet 10.0.0.7 netmask 0xffffff00 broadcast 10.0.0.255
>           media: Ethernet autoselect
>           status: active
>           laggproto failover
>           laggport: wlan0 flags=0<>
>           laggport: bfe0 flags=5<MASTER,ACTIVE>
>   wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>           ether 00:14:22:ae:bc:98
            ^^^^^^^^^^^^^^^^^^^^^^^

I wonder if it becuase the lagg driver sets the mac address of all its
interfaces to the same value, this has not been propagated back up to
the ath0 interface.

I wonder if this is the right way to do things.


Andrew